Thomas utley



(No Model.)

T.. UTLEY. SHIPS VBNTILATOR.

mgl Patented Oct. 20,1891.-

NITED STATES PATENT OFFICE.

THOMAS UTLEY,*OE LIVERPOOL, ENGLAND. j

SHIPS VENTILATOR.

SPECIFICATION forming 'part of Letters Patent No. 461,694, dated October 20, 1891.

Application tiled June 3, 1891. Serial No. 394,950. (No model.) Patented in England June 5, 1890, No. 8,729.

To all whom, it may concern: y

Be it known that I, THOMAS UTLEY, engineer, a subject of the Queen of Great Britain, and a resid ent of Stoneycroft, Liverpool, England,haveinvented certain new and useful Improvements in and Relating to Ships Ventilators, (for which I have obtained a patent in Great Britain, No. 8,729, and dated June 5, 1890,) of which the following is a specification, reference being had to the accompanying drawings.

lWIv invention relates to ships ventilators, and is designed to afford the means whereby a large supply of air may be admitted to a cabin, hold, or other compartment of a ship in fine weather, while the ingress of water through the ventilator in rough or stormy weather can be effectually prevented without the necessity for the removal or unshipping of any portion of the said ventilator.A For this purpose I construct or provide the ventilator with an adjustable cowl having a suitable door or shutter whereby the mouth or aperture thereof may be easily closed in stormy or wet weather to prevent the entrance ot water, and I provide suitable means whereby a tight joint may be made between the said cowl and the Ventilating pipe or passage. My improvedcowl therefore does not require to be removed or unshipped in stormy weather, as is the case with the ordinary deck Ventilating-cowls.

Intheaccompanying drawingsIhave shown how my said invention may be conveniently and advantageously carried into practice.

Figure l represents in vertical central sec tion one form of my improved ventilator. Fig. 2 is a similar view showing another form or modification of my invention and illustrating the application thereof to an ordinary or existing cowl-coaming.

Like letters indicate corresponding parts in these two figures.

A is a Ventilating-pipe. B is a cowl, which is supported over the upper end of the said pipe A in such a manner that it can be turned into any desired position so as to eectually catch the wind. O is a shutter or door adapted to close the mouth or aperture of the said cowl. An annular groove or recess Al is formed in the upper part A' of the Ventilating-pipe A, in which groove :or recess is inserted a ring or washerv E, of india-rubber or other suitable packing.

` The cowl B is provided with an internal lfiange D. In the apparat-us shown in Fig. l v

this flange is formed with an annular groove or recess D', in which is fitted a ring or washer E', of india-rubber or other suitable packing. The upper edge A2 of the Ventilating-pipe enters the said recess D', and the lower edge B' of the cowl B enters the recess A*, so that by pressing or screwing down the cowl B, as hereinafter described, upon the top of the said Ventilating-pipe the said packing-rings E E' are compressed, and a water-tight joint is thus formed around the said cowl between the same and the Ventilating-pipe. vide for so pressing down the cowl upon the Ventilating-pipe A, I employ a screw F, firmly fixed in the one part-for example, thecowland fitting int-o a tapped hole in the other part.

In the apparatus shown in Fig. l the cowl B is provided with a cross-bar or cross-piece G, and in the top of the ventilating-pipeA is provided a cross-bar or cross-piece H. The screw F is provided with a reduced screwthreaded portion F', which .fits into a correspondingly screw-threaded hole in the cross- To probar G or in a boss G', formed thereon, and v the said screw is firmly secured and retained in position in the said cross-bar by means of a collar F2 and lock-nut G2. I provide, moretion it may be released to permit of its beingv turned or adjusted to catch the wind. Moreover, the cowl can by this arrangement be very readily removed and replaced, if necessary, at any time.

The shutter or door C is imperforate and pivoted or hinged at I to lugs J, secured to or formed on the cowl B.

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C is an annular recess formed around the inner face of the shutter or door C and adapted to receive a ring C2, of suitable packing, for forming a water-tight joint between the said shutter or door and the adjacent edge of the cowl.

K is a bolt pivoted at K to lugs K2 upon the cowl B and adapted to enter a suitable slot in an extension C3 of the shutter C.

L is anut which is screwed upon the bolt K, to constitute a clamp by means of which the shutter or door C can be firmly clamped or secured in its closed position. Any other suitable 'fastening device may, however, be provided that will admit of the said shutter or door being opened and thrown back to uncover the aperture or mouth of the cowl and oi' its being securely closed over the same, as desired.

N is a stop or rest formed on or firmly secured to the upper part of the cowl B to support the said shutter or door when opened and turned back upon its hinges, as shown in dotted lines in the drawings.

B2 is a thumb-screw or setscrew for retaining or securing' the cowl B in any position to which it may be adjusted to catch the wind.

In some instances I dispense with the annular recess A* and packing-ring E.

Fig. 2 illustrates a modification of my invention, wherein the annular groove D and packing-rin g E are dispensed with, the groove A* and paeking-ring E being retained, and wherein the screw F is provided with lef'thand squarethreads instead of right-hand V-shaped threads, as in Fig. l. The said screw is, moreover, secured in the eross-bar or cross-piece G by means of the collar F2 and nut G2 without the aid of screw-threads in the boss G. Gr3 is a nut for preventing the accidental removal of the screw F from the boss or nut II.

Then my improved cowl is to be applied to an existing Ventilating-pipe, I find it advantageous to provide a flanged ring or annular piece A3, Fig. 2, which is fitted and secured in the existing cowl-coaming or ventilating-pipe A, and is provided with the crossbar II, and in which is formed the groove or recess A* for the packing-ring E. The said flanged ring A3 then forms, practically, a part of the Ventilating-pipe A.

My improved cowl can be advantageously employed in combination with Ventilatingpipes having Heats or valves-such, for example, as those described in the specification of'former British Letters Patent granted to me and dated November 29, A. D. 1888, No. 17 A22-or with any other suitable ventilatin g pipes or apertures.

XVhat I claim isl.. A ships ventilator consisting of a ventilatingpipe A, a cowl B, fitted water-"tight to the pipe and having at its upper edge the lugs J, the impert'orate shutter or door C, coextensive with the mouth of the cowl and hinged at itsA upper edge to the lugs, anda clamp located at the lower edge of the shutter or door for binding the latter water-tight against the edge ot' the cowl-mouth, substantially as described.

2.4 A ship`s ventilator consisting ot a ventilating-pipe A, a cowl B, fitted water-tight to the pipe, the shutter or door C, hinged at one edge to the cowl coextensive with the mouth thereof and having an annular groove C', containing' a packing-ring C2 to seat water-tight against the edge of' the cowl-mouth, and a clamp carried by the cowl for clamping the shutter or door in its closed position, substantially as described.

3. A ships ventilator consisting of a ventilator-pipe A, a cowl B, fitted water-tight to and having a central screw connection F with the ventilating-pipe, the impertorate shutter or door C, coextensive with the mouth of the cowl and hinged at one edge thereto, and a clamp located at one edge of the shutter or door for clamping it water-tight against the edge of the cowlimouth, substantially as described.

ll. The combination of a Ventilating-pipe A, cowl B, shutter or door C, connecting device or screw F, and recesses Aii, D', and C', having fitted therein suitable washers or packing-rings for forming fluid-tight joints between the cowl B, ventilating-pipe A, and shutter or door C, substantially as described.

5. The combination of a Ventilating-pipe A, flanged ring or annular piece A3, cowl B, shutter or door C, connecting device or screw F, recesses A:Ik C', and washers or packingrings E C2, substantially as described.

G. The combination of a Ventilating-pipe A, cowl B, shutter or door C, connecting de vice or screw F, recesses A D C', washers or packing rings E, E', and C2, fastening device K L, and clamping-screw B2, substantially as described.

In testimony whereof I have hereunto signed my name in the presence of two subscribing witnesses.

THOMAS UTLEY.

ARTHUR E.

Y Ifs O lef/'75.

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